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To enable --disable-Werror for libomxil to avoid some compilers which check code strictly.
For example, at least the following errors happened to some compilers:
1) OMX_INDEXTYPE in include/OMX_Index.h IS NOT OMX_INDEXVENDORTYPE in src/base/omx_base_component.h
| i586-poky-linux-libtool: compile: i586-poky-linux-gcc -m32 -march=i586 --sysroot=/home/yocto-build5/poky/build/tmp/sysroots/qemux86 -DHAVE_Climinate-unused-debug-types -Wall -Werror -DCONFIG_DEBUG_LEVEL=0 -c OMXComponentRMExt.c -fPIC -DPIC -o .libs/libomxbase_la-OMXComponentRMExt.o
| omx_base_component.c: In function 'omx_base_component_GetParameter':
| omx_base_component.c:991:3: error: case value '2130706435' not in enumerated type 'OMX_INDEXTYPE' [-Werror=switch]
| omx_base_component.c:918:3: error: case value '2130706436' not in enumerated type 'OMX_INDEXTYPE' [-Werror=switch]
2)
| i586-poky-linux-gcc -m32 -march=i586 --sysroot=/home/yocto-build5/poky/build/tmp/sysroots/qemux86 -DHAVE_CONFIG_H -I. -I.. -DOMXILCOMPOminate-unused-debug-types -Wall -Werror -DCONFIG_DEBUG_LEVEL=0 -c -o omxregister_bellagio-omxregister.o `test -f 'omxregister.c' || echo './'`o
| omxregister.c: In function 'buildComponentsList':
| omxregister.c:175:7: error: variable 'err' set but not used [-Werror=unused-but-set-variable]
| cc1: all warnings being treated as errors
Upstream-Status: Inappropriate [configuration]
Signed-off-by: Shane Wang <shane.wang@intel.com>
diff -r 82d742d3ea90 configure.ac
--- a/configure.ac Tue Dec 27 15:30:35 2011 +0800
+++ b/configure.ac Tue Dec 27 16:26:03 2011 +0800
@@ -5,7 +5,7 @@
AC_PREREQ([2.59])
AC_CONFIG_HEADERS([config.h])
-CFLAGS="${CFLAGS} -Wall -Werror"
+CFLAGS="${CFLAGS} -Wall"
################################################################################
# Set the shared versioning info, according to section 6.3 of the libtool info #
@@ -122,6 +122,14 @@
[with_android=$enableval],
[with_android=no])
+AC_ARG_ENABLE(
+ [Werror],
+ [AC_HELP_STRING(
+ [--disable-Werror],
+ [whether to diable treating gcc warnings as errors])],
+ [with_Werror=$enableval],
+ [with_Werror=yes])
+
################################################################################
# Check for programs #
################################################################################
@@ -193,6 +201,10 @@
CFG_DEBUG_LEVEL=255
fi
+if test "x$with_Werror" = "xyes"; then
+ CFLAGS="${CFLAGS} -Werror"
+fi
+
AC_SUBST(CFG_DEBUG_LEVEL)
CFLAGS="${CFLAGS} -DCONFIG_DEBUG_LEVEL=$CFG_DEBUG_LEVEL"
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